The genus Omanthus Lour. (Oleaceae) was previously represented by 3 species in Vietnam, belonging to section Leiolea and Osmanthus. Here we report O. Suavis King ex . Clarke as a new distributional record for Vietnam, belonging to section Siphosmanthus. This species is distributed in Lao Cai and Thanh Hoa Provinces of the country. In support of the species identification, taxonomic description and line drawings are provided. | TAP suavis CHI SINH 2016, 38(3): 400-406 Osmanthus King HOC ex C. B. Clarke (Oleaceae) DOI: Osmanthus suavis King ex C. B. Clarke (Oleaceae): A NEWLY RECORDED SPECIES FOR THE FLORA OF VIETNAM Bui Hong Quang1,2 1 Institute of Ecology and Biological Resources, VAST, Vietnam Graduate University of Science and Technology, VAST, Vietnam 2 ABSTRACT: The genus Omanthus Lour. (Oleaceae) was previously represented by 3 species in Vietnam, belonging to section Leiolea and Osmanthus. Here we report O. Suavis King ex . Clarke as a new distributional record for Vietnam, belonging to section Siphosmanthus. This species is distributed in Lao Cai and Thanh Hoa Provinces of the country. In support of the species identification, taxonomic description and line drawings are provided. Kewwords: Oleacaece, Osmanthus, Siphosmanthus, new record, Vietnam. Citation: Bui Hong Quang, 2016. Osmanthus suavis King ex C. B. Clarke: A newly recorded species for the flora of Vietnam. Tap chi Sinh hoc, 36(3): 401-407. DOI: . *Corresponding author: bhquang78@ INTRODUCTION The genus Omanthus Lour. has about 35 species in the world distributed in tropics and subtropics of South East Asia and America [1, 9, 10]. The genus Osmanthus Lour. was first described by Loureiro (1790) [6]. with the type O. fragrans Lour. In Vietnam, the genus was hitherto represented by only 2 species under section Leiolea and Osmanthus [2, 5, 7, 8]. However, during the scrutiny of voucher specimens deposited at the herbarium of Institute of Ecology and Biological Resources (HN), we came across an interesting collection, which after further scrutiny, identified as O. suavis belonging to section Siphosmanthus, hitherto unreported from Vietnam. This species has distribution in Lao Cai and Thanh Hoa Provinces of the country. It is morphologically close to O. delavayi in having cymes fascicled in leaf axils or terminal, but differs in having petiole 4-6 mm,
